Affects widely used Oracle E-Business Suite module; remote takeover risk of an enterprise ERP component could disrupt operations and data across organizations.
CVE-2026-83445
Remote takeover of Oracle EBS Complex Maintenance (v12.2.3–12.2.15) via HTTPS
Is CVE-2026-83445 being exploited?
Not confirmed. CVE-2026-83445 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.35% probability of exploitation in the next 30 days.
How severe is CVE-2026-83445?
CVE-2026-83445 is rated High with a CVSS score of 8.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-83445?
Not known from our data. No patch reference has been recorded for CVE-2026-83445, which is not the same as no patch existing — a fix may have shipped without a tagged reference, or after this record was written. The vendor advisory is the only authority on whether a fix exists, and mitigations may be available regardless.
What does CVE-2026-83445 affect?
CVE-2026-83445 affects Oracle E-Business Suite Complex Maintenance, Repair and Overhaul (12.2.3-12.2.15), Oracle E-Business Suite 12.2.x. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-83445?
Restrict network access to EBS endpoints, enable WAF, monitor logs, apply vendor patch ASAP when released.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Low-privileged attacker with HTTPS access can take over Oracle Complex MRO, causing full confidentiality, integrity and availability loss.
Immediate action required
- affected>= 12.2.3 and <= 12.2.15
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.